8561935126444 has 96 divisors (see below), whose sum is σ = 18450035573760. Its totient is φ = 3392888328192.

The previous prime is 8561935126441. The next prime is 8561935126541. The reversal of 8561935126444 is 4446215391658.

It is not an unprimeable number, because it can be changed into a prime (8561935126441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45036132 + ... + 45225844.

It is an arithmetic number, because the mean of its divisors is an integer number (192187870560).

Almost surely, 2^{8561935126444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8561935126444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9225017786880).

8561935126444 is an abundant number, since it is smaller than the sum of its proper divisors (9888100447316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8561935126444 is a wasteful number, since it uses less digits than its factorization.

8561935126444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191407 (or 191405 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 58.

The spelling of 8561935126444 in words is "eight trillion, five hundred sixty-one billion, nine hundred thirty-five million, one hundred twenty-six thousand, four hundred forty-four".